Find the angle between the pair of vectors to the nearest tenth of a degree.6i + 3j, -2i + 3j
A. 98.1°
B. 97.1°
C. 150.3°
D. 104.4°
Answer: B
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Provide an appropriate response.Provide a short sentence that summarizes the general limit principle given by the formal notation 
given that 
and 
A. The sum or the difference of two functions is the sum of two limits. B. The limit of a sum or a difference is the sum or the difference of the functions. C. The sum or the difference of two functions is continuous. D. The limit of a sum or a difference is the sum or the difference of the limits.
Integrate the function.
dx
A. 
cot4 x sec x + C
B. - 
cot2 x - 
ln 
+ C
C. 
cot2 x + ln 
+ C
D. 
cot4 x + C
Round the number to the given place value.A publishing company sold 37,265,591 books last year. Round the number of books sold to the nearest ten million.
A. 37,000,000 B. 37,270,000 C. 30,000,000 D. 40,000,000
For the algebraic expression, tell whether the portion named is a term or a factor.4a(a - b) (a - b) is a ________
A. term B. factor